diff --git a/src/components/state-history-chart-line.js b/src/components/state-history-chart-line.js
index 412ca18e75..dc767fb45c 100644
--- a/src/components/state-history-chart-line.js
+++ b/src/components/state-history-chart-line.js
@@ -377,7 +377,10 @@ class StateHistoryChartLine extends LocalizeMixin(PolymerElement) {
                 major: {
                   fontStyle: "bold",
                 },
+                source: "auto",
+                sampleSize: 5,
                 autoSkipPadding: 20,
+                maxRotation: 0,
               },
             },
           ],
diff --git a/src/components/state-history-chart-timeline.js b/src/components/state-history-chart-timeline.js
index 23f0a91e7d..fa29388da3 100644
--- a/src/components/state-history-chart-timeline.js
+++ b/src/components/state-history-chart-timeline.js
@@ -236,7 +236,9 @@ class StateHistoryChartTimeline extends LocalizeMixin(PolymerElement) {
                 major: {
                   fontStyle: "bold",
                 },
+                sampleSize: 5,
                 autoSkipPadding: 50,
+                maxRotation: 0,
               },
               categoryPercentage: undefined,
               barPercentage: undefined,